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  1. Table of Contents
  2. Top
  3. Main Differences
  4. Design
    1. Style
    2. Accelerated Longevity Test
    3. Stand
    4. Back
    5. Borders
    6. Thickness
    7. Build Quality
  5. Picture Quality
    1. Contrast
    2. Blooming
    3. Lighting Zone Transitions
    4. Contrast And Dark Details In Game Mode
    5. HDR Brightness
    6. HDR Brightness In Game Mode
    7. PQ EOTF Tracking
    8. SDR Brightness
    9. Color Gamut
    10. Color Volume
    11. Pre Calibration
    12. Post Calibration
    13. Gray Uniformity
    14. Black Uniformity
    15. Viewing Angle
    16. Reflections
    17. HDR Native Gradient
    18. Low-Quality Content Smoothing
    19. Upscaling: Sharpness Processing
    20. Pixels
  6. Motion
    1. Response Time
    2. Flicker-Free
    3. Black Frame Insertion (BFI)
    4. Motion Interpolation
    5. Stutter
    6. 24p Judder
    7. Variable Refresh Rate
  7. Inputs
    1. Input Lag
    2. Supported Resolutions
    3. PS5 Compatibility
    4. Xbox Series X|S Compatibility
    5. Inputs Specifications
    6. Input Photos
    7. Total Inputs
    8. Audio Passthrough
  8. Sound Quality
    1. Frequency Response
    2. Distortion
  9. Smart Features
    1. Interface
    2. Ad-Free
    3. Apps and Features
    4. Remote
    5. TV Controls
    6. In The Box
    7. Misc
  10. Comments

TCL 5 Series/S546 2021 QLED vs TCL 5 Series/S555 2022 QLED

Side-by-Side Comparison

Products

TCL 5 Series/S546 2021 QLED
TCL 5 Series/S555 2022 QLED

Tested using Methodology v1.11

Updated Apr 17, 2025 12:39 PM

SEE PRICE
Amazon.com

Tested using Methodology v1.11

Updated Nov 07, 2024 06:48 PM

SEE PRICE
Amazon.com
TCL 5 Series/S546 2021 QLED Picture
TCL 5 Series/S555 2022 QLED Picture

Variants

  • 50S546 (50")
  • 55S546 (55")
  • 65S546 (65")
  • 75S546 (75")
  • 50S555 (50")
  • 55S555 (55")
  • 65S555 (65")
  • 75S555 (75")

Our Verdict

TCL 5 Series/S546 2021 QLED

TCL 5 Series/S555 2022 QLED

The TCL 5 Series/S555 2022 QLED is better than the TCL 5 Series/S546 2021 QLED. The S555 has much better accuracy both before and after calibration, and it looks better in a dark room thanks to its better local dimming feature and better black uniformity.

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Main Differences for
Mixed Usage

Threshold 

0.10

Mixed Usage 

7.2
7.6

Pre Calibration 
 

3.1
8.7

Full Comparison

Design

Style  

Design Picture  

TCL 5 Series/S546 2021 QLED Design Picture
TCL 5 Series/S555 2022 QLED Design Picture

Curved  

No
No
Show Text 

Accelerated Longevity Test 
 

Uniformity Pictures  

50-gray-26
Month 26
50% Gray

Longevity Graph  

See details on graph tool
TCL 5 Series/S555 2022 QLED Longevity Graph
Show Text 

Stand  

Stand Picture  

TCL 5 Series/S546 2021 QLED Stand Picture
TCL 5 Series/S555 2022 QLED Stand Picture
Show Text 

Back  

Back Picture  

TCL 5 Series/S546 2021 QLED Back Picture
TCL 5 Series/S555 2022 QLED Back Picture

Wall Mount  

VESA 300x300
VESA 300x300
Show Text 

Borders  

Borders Picture  

TCL 5 Series/S546 2021 QLED Borders Picture
TCL 5 Series/S555 2022 QLED Borders Picture

Borders  

0.35" (0.9 cm)
0.35" (0.9 cm)

Thickness  

Thickness Picture  

TCL 5 Series/S546 2021 QLED Thickness Picture
TCL 5 Series/S555 2022 QLED Thickness Picture

Max Thickness  

3.16" (8.0 cm)
3.15" (8.0 cm)
Show Text 

Build Quality 
 

7.0
7.0

Build quality picture  

TCL 5 Series/S546 2021 QLED Build quality picture
TCL 5 Series/S555 2022 QLED Build quality picture
Show Text 
Picture Quality

Contrast 
 

9.0
9.2

Contrast Picture  

TCL 5 Series/S546 2021 QLED Contrast Picture
TCL 5 Series/S555 2022 QLED Contrast Picture

Contrast 
 

46,612 : 1
61,754 : 1

Native Contrast 
 

7,775 : 1
9,591 : 1
Show Text 

Blooming 
 

6.5
6.5

Blooming Photo  

TCL 5 Series/S546 2021 QLED Blooming Photo
TCL 5 Series/S555 2022 QLED Blooming Photo
Show Text 

Lighting Zone Transitions 
 

6.0
6.0

Preferred LD Video, Moving Object  

Local Dimming 
 

Yes
Yes

Backlight 
 

Full-Array
Full-Array

Dimming Zones Count Of Tested TV 
 

45
30
Show Text 

Contrast And Dark Details In Game Mode 
 

8.5
8.5

Blooming Photo In Game Mode  

TCL 5 Series/S546 2021 QLED Blooming Photo In Game Mode
TCL 5 Series/S555 2022 QLED Blooming Photo In Game Mode

Preferred LD Video, Moving Object In Game Mode  

Game Transitions With VRR And Preferred LD  

Show Text 

HDR Brightness 
 

5.7
6.9

HDR Hallway Photo  

TCL 5 Series/S546 2021 QLED HDR Hallway Photo
TCL 5 Series/S555 2022 QLED HDR Hallway Photo

HDR Cityscape Photo  

TCL 5 Series/S546 2021 QLED HDR Cityscape Photo
TCL 5 Series/S555 2022 QLED HDR Cityscape Photo

HDR Landscape Photo  

TCL 5 Series/S546 2021 QLED HDR Landscape Photo
TCL 5 Series/S555 2022 QLED HDR Landscape Photo

Hallway Lights (~1950 cd/m²) 
 

362 cd/m²
450 cd/m²

Yellow Skyscraper (~700 cd/m²) 
 

230 cd/m²
313 cd/m²

Landscape Pool (~300 cd/m²) 
 

84 cd/m²
166 cd/m²

Peak 2% Window 
 

227 cd/m²
291 cd/m²

Peak 10% Window 
 

433 cd/m²
601 cd/m²

Peak 25% Window 
 

506 cd/m²
611 cd/m²

Peak 50% Window 
 

485 cd/m²
588 cd/m²

Peak 100% Window 
 

440 cd/m²
531 cd/m²

Sustained 2% Window 
 

226 cd/m²
290 cd/m²

Sustained 10% Window 
 

429 cd/m²
596 cd/m²

Sustained 25% Window 
 

502 cd/m²
607 cd/m²

Sustained 50% Window 
 

483 cd/m²
586 cd/m²

Sustained 100% Window 
 

439 cd/m²
530 cd/m²

Automatic Brightness Limiting (ABL) 
 

0.048
0.044
Show Text 

HDR Brightness In Game Mode 
 

5.5
6.9

HDR Hallway Photo  

TCL 5 Series/S546 2021 QLED HDR Hallway Photo
TCL 5 Series/S555 2022 QLED HDR Hallway Photo

HDR Cityscape Photo  

TCL 5 Series/S546 2021 QLED HDR Cityscape Photo
TCL 5 Series/S555 2022 QLED HDR Cityscape Photo

HDR Landscape Photo  

TCL 5 Series/S546 2021 QLED HDR Landscape Photo
TCL 5 Series/S555 2022 QLED HDR Landscape Photo

Hallway Lights (~1950 cd/m²) 
 

349 cd/m²
449 cd/m²

Yellow Skyscraper (~700 cd/m²) 
 

218 cd/m²
314 cd/m²

Landscape Pool (~300 cd/m²) 
 

78 cd/m²
168 cd/m²

Peak 2% Window 
 

228 cd/m²
290 cd/m²

Peak 10% Window 
 

433 cd/m²
602 cd/m²

Peak 25% Window 
 

506 cd/m²
612 cd/m²

Peak 50% Window 
 

484 cd/m²
588 cd/m²

Peak 100% Window 
 

440 cd/m²
532 cd/m²

Sustained 2% Window 
 

226 cd/m²
290 cd/m²

Sustained 10% Window 
 

429 cd/m²
597 cd/m²

Sustained 25% Window 
 

501 cd/m²
608 cd/m²

Sustained 50% Window 
 

483 cd/m²
587 cd/m²

Sustained 100% Window 
 

439 cd/m²
530 cd/m²

Automatic Brightness Limiting (ABL) 
 

0.048
0.045
Show Text 

PQ EOTF Tracking 
 

8.4
8.7

PQ EOTF Graph  

See details on graph tool
See details on graph tool

600 Nit Tracking Delta 
 

0.0101
0.0085

1000 Nit Tracking Delta 
 

0.0102
0.0085

4000 Nit Tracking Delta 
 

0.0097
0.0085
Show Text 

SDR Brightness 
 

8.1
8.4

Real Scene Peak Brightness 
 

481 cd/m²
544 cd/m²

Peak 2% Window 
 

253 cd/m²
328 cd/m²

Peak 10% Window 
 

477 cd/m²
602 cd/m²

Peak 25% Window 
 

552 cd/m²
612 cd/m²

Peak 50% Window 
 

527 cd/m²
586 cd/m²

Peak 100% Window 
 

477 cd/m²
519 cd/m²

Sustained 2% Window 
 

249 cd/m²
328 cd/m²

Sustained 10% Window 
 

471 cd/m²
597 cd/m²

Sustained 25% Window 
 

547 cd/m²
606 cd/m²

Sustained 50% Window 
 

525 cd/m²
583 cd/m²

Sustained 100% Window 
 

476 cd/m²
518 cd/m²

Automatic Brightness Limiting (ABL) 
 

0.046
0.037
Show Text 

Color Gamut 
 

8.6
8.1

Wide Color Gamut 
 

Yes
Yes

Color Gamut DCI-P3 Picture  

TCL 5 Series/S546 2021 QLED Color Gamut DCI-P3 Picture
TCL 5 Series/S555 2022 QLED Color Gamut DCI-P3 Picture

DCI P3 xy 
 

94.12%
90.05%

DCI P3 uv 
 

96.23%
95.29%

Color Gamut Rec.2020 Picture  

TCL 5 Series/S546 2021 QLED Color Gamut Rec.2020 Picture
TCL 5 Series/S555 2022 QLED Color Gamut Rec.2020 Picture

Rec 2020 xy 
 

76.07%
66.47%

Rec 2020 uv 
 

77.74%
73.58%
Show Text 

Color Volume 
 

7.2
7.2

P3 Color Volume ITP Picture  

TCL 5 Series/S546 2021 QLED P3 Color Volume ITP Picture
TCL 5 Series/S555 2022 QLED P3 Color Volume ITP Picture

1,000 cd/m² DCI P3 Coverage ITP 
 

54.8%
57.7%

2020 Color Volume ITP Picture  

TCL 5 Series/S546 2021 QLED 2020 Color Volume ITP Picture
TCL 5 Series/S555 2022 QLED 2020 Color Volume ITP Picture

10,000 cd/m² Rec 2020 Coverage ITP 
 

27.2%
27.1%

White Luminance 
 

240 cd/m²
329 cd/m²

Red Luminance 
 

54 cd/m²
73 cd/m²

Green Luminance 
 

161 cd/m²
238 cd/m²

Blue Luminance 
 

24 cd/m²
24 cd/m²

Cyan Luminance 
 

185 cd/m²
262 cd/m²

Magenta Luminance 
 

79 cd/m²
99 cd/m²

Yellow Luminance 
 

216 cd/m²
311 cd/m²
Show Text 

Pre Calibration 
 

3.1
8.7

Pre White Balance Picture  

TCL 5 Series/S546 2021 QLED Pre White Balance Picture
TCL 5 Series/S555 2022 QLED Pre White Balance Picture

Pre Gamma Curve Picture  

TCL 5 Series/S546 2021 QLED Pre Gamma Curve Picture
TCL 5 Series/S555 2022 QLED Pre Gamma Curve Picture

Pre Color Picture  

TCL 5 Series/S546 2021 QLED Pre Color Picture
TCL 5 Series/S555 2022 QLED Pre Color Picture

White Balance dE 
 

8.99
2.40

Color dE 
 

4.87
1.28

Gamma 
 

2.21
2.24

Color Temperature 
 

5,899 K
6,448 K

Picture Mode 
 

Movie
Movie

Color Temp Setting 
 

Warm
Warm

Gamma Setting 
 

2.2
2.2
Show Text 

Post Calibration 
 

6.6
9.6

Post White Balance Picture  

TCL 5 Series/S546 2021 QLED Post White Balance Picture
TCL 5 Series/S555 2022 QLED Post White Balance Picture

Post Gamma Curve Picture  

TCL 5 Series/S546 2021 QLED Post Gamma Curve Picture
TCL 5 Series/S555 2022 QLED Post Gamma Curve Picture

Post Color Picture  

TCL 5 Series/S546 2021 QLED Post Color Picture
TCL 5 Series/S555 2022 QLED Post Color Picture

White Balance dE 
 

4.87
0.16

Color dE 
 

2.93
0.85

Gamma 
 

2.21
2.21

Color Temperature 
 

6,271 K
6,505 K

White Balance Calibration 
 

20 point
11 point

Color Calibration 
 

No
Yes
Show Text 

Gray Uniformity 
 

7.4
7.1

50% Uniformity Picture  

TCL 5 Series/S546 2021 QLED 50% Uniformity Picture
TCL 5 Series/S555 2022 QLED 50% Uniformity Picture

50% Std. Dev. 
 

2.542%
3.553%

50% DSE 
 

0.195%
0.202%

5% Uniformity Picture  

TCL 5 Series/S546 2021 QLED 5% Uniformity Picture
TCL 5 Series/S555 2022 QLED 5% Uniformity Picture

5% Std. Dev. 
 

1.257%
0.932%

5% DSE 
 

0.109%
0.117%
Show Text 

Black Uniformity 
 

9.0
8.7

Black Uniformity Picture With Preferred Local Dimming  

TCL 5 Series/S546 2021 QLED Black Uniformity Picture With Preferred Local Dimming
TCL 5 Series/S555 2022 QLED Black Uniformity Picture With Preferred Local Dimming

Std. Dev. 
 

0.585%
0.813%

Native Black Uniformity Picture  

TCL 5 Series/S546 2021 QLED Native Black Uniformity Picture
TCL 5 Series/S555 2022 QLED Native Black Uniformity Picture

Native Std. Dev. 
 

0.816%
0.475%
Show Text 

Viewing Angle 
 

5.5
5.8

Viewing Angle Video  

Chroma Graph  

TCL 5 Series/S546 2021 QLED Chroma Graph
TCL 5 Series/S555 2022 QLED Chroma Graph

Color Washout 
 

26°
27°

Hue Graph  

TCL 5 Series/S546 2021 QLED Hue Graph
TCL 5 Series/S555 2022 QLED Hue Graph

Color Shift 
 

38°
44°

Lightness Graph  

TCL 5 Series/S546 2021 QLED Lightness Graph
TCL 5 Series/S555 2022 QLED Lightness Graph

Brightness Loss 
 

32°
32°

Black Level Raise 
 

12°
22°

Gamma Shift 
 

18°
18°
Show Text 

Reflections 
 

7.1
7.1

Reflections Picture  

TCL 5 Series/S546 2021 QLED Reflections Picture
TCL 5 Series/S555 2022 QLED Reflections Picture

Average Room Off Picture  

TCL 5 Series/S546 2021 QLED Average Room Off Picture
TCL 5 Series/S555 2022 QLED Average Room Off Picture

Bright Room Off Picture  

TCL 5 Series/S546 2021 QLED Bright Room Off Picture
TCL 5 Series/S555 2022 QLED Bright Room Off Picture

Screen Finish 
 

Semi-gloss
Semi-gloss

Total Reflections 
 

5.9%
5.8%

Indirect Reflections 
 

0.8%
1.1%

Calculated Direct Reflections 
 

5.0%
4.8%
Show Text 

HDR Native Gradient 
 

7.5
8.3

HDR Gradient Picture  

TCL 5 Series/S546 2021 QLED HDR Gradient Picture
TCL 5 Series/S555 2022 QLED HDR Gradient Picture

100% Black to 50% Gray  

4.0
6.0

50% Gray to 100% White  

8.0
8.0

100% Black to 50% Red  

8.0
8.0

50% Red to 100% Red  

10
10

100% Black to 50% Green  

6.0
8.0

50% Green to 100% Green  

8.0
8.0

100% Black to 50% Blue  

8.0
10

50% Blue to 100% Blue  

8.0
8.0
Show Text 

Low-Quality Content Smoothing 
 

5.6
4.8

Low-Quality Content Smoothing Picture  

TCL 5 Series/S546 2021 QLED Low-Quality Content Smoothing Picture
TCL 5 Series/S555 2022 QLED Low-Quality Content Smoothing Picture

Smoothing 
 

5.0
3.0

Detail Preservation 
 

7.0
9.0
Show Text 

Upscaling: Sharpness Processing 
 

6.5
5.5

Sharpness Picture - 480p  

TCL 5 Series/S546 2021 QLED Sharpness Picture - 480p
TCL 5 Series/S555 2022 QLED Sharpness Picture - 480p
Show Text 

Pixels 
 

Pixels Picture  

TCL 5 Series/S546 2021 QLED Pixels Picture
TCL 5 Series/S555 2022 QLED Pixels Picture

Subpixel Layout 
 

BGR
BGR

Type  

LED
LED

Sub-Type 
 

VA
VA
Show Text 
Motion

Response Time 
 

8.1
7.8

Motion Blur Picture  

TCL 5 Series/S546 2021 QLED Motion Blur Picture
TCL 5 Series/S555 2022 QLED Motion Blur Picture

Response Time Chart  

TCL 5 Series/S546 2021 QLED Response Time Chart
TCL 5 Series/S555 2022 QLED Response Time Chart

80% Response Time 
 

4.3 ms
5.8 ms

100% Response Time 
 

12.2 ms
12.3 ms
Show Text 

Flicker-Free 
 

9.9
9.9

Backlight chart 
 

TCL 5 Series/S546 2021 QLED Backlight chart
TCL 5 Series/S555 2022 QLED Backlight chart

Flicker-Free 
 

No
No

PWM Dimming Frequency 
 

960 Hz
960 Hz
Show Text 

Black Frame Insertion (BFI) 
 

BFI Picture  

TCL 5 Series/S546 2021 QLED BFI Picture
TCL 5 Series/S555 2022 QLED BFI Picture

BFI Frequency Picture  

TCL 5 Series/S546 2021 QLED BFI Frequency Picture
TCL 5 Series/S555 2022 QLED BFI Frequency Picture

Optional BFI 
 

Yes
Yes

Min Flicker For 60 fps 
 

60 Hz
60 Hz

60Hz For 60 fps 
 

Yes
Yes

120Hz For 120 fps 
 

N/A
N/A

Min Flicker for 60 fps in Game Mode 
 

60 Hz
60 Hz
Show Text 

Motion Interpolation 
 

Motion Interpolation (30 fps) Picture  

TCL 5 Series/S546 2021 QLED Motion Interpolation (30 fps) Picture
TCL 5 Series/S555 2022 QLED Motion Interpolation (30 fps) Picture

Motion Interpolation (30 fps) 
 

Yes
Yes

Motion Interpolation (60 fps) Picture  

TCL 5 Series/S546 2021 QLED Motion Interpolation (60 fps) Picture
TCL 5 Series/S555 2022 QLED Motion Interpolation (60 fps) Picture

Motion Interpolation (60 fps) 
 

No
No
Show Text 

Stutter 
 

7.2
7.2

Frame Hold Time @ 24 fps 
 

29.5 ms
29.4 ms

Frame Hold Time @ 60 fps 
 

4.5 ms
4.4 ms
Show Text 

24p Judder 
 

7.8
7.8

Judder-Free 24p 
 

Yes
Yes

Judder-Free 24p via 60p 
 

No
No

Judder-Free 24p via 60i 
 

No
No

Judder-Free 24p via Native Apps 
 

Yes
Yes
Show Text 

Variable Refresh Rate 
 

7.1
7.1

Native Refresh Rate 
 

60 Hz
60 Hz

Variable Refresh Rate 
 

Yes
Yes

HDMI Forum VRR 
 

Yes
Yes

FreeSync 
 

Yes
Yes

G-SYNC Compatible 
 

No
No

4k VRR Maximum 
 

60 Hz
60 Hz

4k VRR Minimum 
 

48 Hz
48 Hz

1080p VRR Maximum 
 

60 Hz
60 Hz

1080p VRR Minimum 
 

48 Hz
48 Hz

1440p VRR Maximum 
 

60 Hz
60 Hz

1440p VRR Minimum 
 

48 Hz
48 Hz

VRR + Local Dimming  

Yes
Yes
Show Text 
Inputs

Input Lag 
 

9.5
9.7

1080p @ 60Hz 
 

12.0 ms
11.0 ms

1080p @ 60Hz Outside Game Mode 
 

111.4 ms
118.5 ms

1080p @ 120Hz 
 

N/A
N/A

1080p @ 144Hz 
 

N/A
N/A

1440p @ 60Hz 
 

14.9 ms
11.0 ms

1440p @ 120Hz 
 

N/A
N/A

1440p @ 144Hz 
 

N/A
N/A

4k @ 60Hz 
 

14.9 ms
10.9 ms

4k @ 60Hz + 10-Bit HDR 
 

15.0 ms
10.8 ms

4k @ 60Hz @ 4:4:4 
 

14.9 ms
10.9 ms

4k @ 60Hz Outside Game Mode 
 

99.3 ms
118.3 ms

4k @ 60Hz With Interpolation 
 

99.3 ms
132.1 ms

4k @ 120Hz 
 

N/A
N/A

4k @ 144Hz 
 

N/A
N/A

8k @ 60Hz 
 

N/A
N/A
Show Text 

Supported Resolutions 
 

7.1
7.1

Resolution  

4k
4k

480p @ 59.94Hz (Widescreen) 
 

Yes
Yes

720p @ 59.94Hz 
 

Yes
Yes

1080p @ 60Hz @ 4:4:4 
 

Yes
Yes

1080p @ 120Hz 
 

No
No

1080p @ 144Hz 
 

No
No

1440p @ 60Hz 
 

Yes (forced resolution required)
Yes (forced resolution required)

1440p @ 120Hz 
 

No
No

1440p @ 144Hz 
 

No
No

4k @ 60Hz 
 

Yes
Yes

4k @ 60Hz @ 4:4:4 
 

Yes
Yes

4k @ 120Hz 
 

No
No

4k @ 120Hz @ 4:4:4 
 

No
No

4k @ 144Hz 
 

No
No

8k @ 30Hz or 24Hz 
 

No
No

8k @ 60Hz 
 

No
No
Show Text 

PS5 Compatibility 
 

PS5 Screenshot  

TCL 5 Series/S546 2021 QLED PS5 Screenshot
TCL 5 Series/S555 2022 QLED PS5 Screenshot

Auto Low Latency Mode (ALLM) 
 

Yes
Yes

4k @ 120Hz 
 

No
No

1440p @ 120Hz 
 

No
No

1080p @ 120Hz 
 

No
No

HDR 
 

Yes
Yes

VRR 
 

Yes
Yes
Show Text 

Xbox Series X|S Compatibility 
 

Xbox Series X Screenshot  

TCL 5 Series/S546 2021 QLED Xbox Series X Screenshot
TCL 5 Series/S555 2022 QLED Xbox Series X Screenshot

Auto Low Latency Mode (ALLM) 
 

Yes
Yes

4k @ 120Hz 
 

No
No

1440p @ 120Hz 
 

No
No

1080p @ 120Hz 
 

No
No

HDR 
 

Yes
Yes

VRR 
 

Yes
Yes
Show Text 

Inputs Specifications  

HDR10 
 

Yes
Yes

HDR10+ 
 

Yes
Yes

Dolby Vision 
 

Yes
Yes

HLG 
 

Yes
Yes

HDMI 2.0 Full Bandwidth 
 

Yes (HDMI 1,2,3)
Yes (HDMI 1,2,3,4)

HDMI 2.1 Class Bandwidth 
 

No
No

CEC  

Yes
Yes

HDCP 2.2  

Yes (HDMI 1,2,3)
Yes (HDMI 1,2,3,4)

ATSC Tuner 
 

1.0
1.0

USB 3.0 
 

No
No

Variable Analog Audio Out  

Yes
Yes

Wi-Fi Support  

Yes (2.4 GHz, 5 GHz)
Yes (2.4 GHz, 5 GHz)
Show Text 

Input Photos  

Side Inputs Picture  

TCL 5 Series/S546 2021 QLED Side Inputs Picture
TCL 5 Series/S555 2022 QLED Side Inputs Picture

Rear Inputs Picture  

TCL 5 Series/S546 2021 QLED Rear Inputs Picture
TCL 5 Series/S555 2022 QLED Rear Inputs Picture

Total Inputs  

HDMI  

3
4

USB  

1
1

Digital Optical Audio Out  

1
1

Analog Audio Out 3.5mm  

1
1

Analog Audio Out RCA  

0
0

Component In  

0
0

Composite In  

1 (adapter required, not incl.)
1 (adapter required, not incl.)

Tuner (Cable/Ant)  

1
1

Ethernet  

1
1

DisplayPort  

0
0

IR In  

0
0

Audio Passthrough 
 

ARC/eARC Port 
 

eARC
eARC

eARC: Dolby Atmos Over Dolby Digital Plus 
 

Yes
Yes

eARC: Dolby Digital Plus 7.1 
 

Yes
Yes

eARC: LPCM 7.1 Over Dolby MAT 
 

Yes
Yes

eARC: Dolby TrueHD 7.1 
 

Yes
Yes

eARC: DTS:X Over DTS-HD MA 
 

No
No

eARC: DTS-HD Master Audio 7.1 
 

No
No

eARC: LPCM Channels (Bitstream) 
 

2.1
7.1

ARC: Dolby Digital 5.1 
 

Yes
Yes

ARC: DTS 5.1 
 

No
Yes

Optical: Dolby Digital 5.1 
 

Yes
No

Optical: DTS 5.1 
 

No
No
Show Text 
Sound Quality

Frequency Response 
 

6.0
5.8

Frequency Response  

See details on graph tool
See details on graph tool

Low-Frequency Extension 
 

134.54 Hz
126.99 Hz

Std. Dev. @ 70 
 

5.00 dB
4.50 dB

Std. Dev. @ 80 
 

4.81 dB
4.45 dB

Std. Dev. @ Max 
 

5.23 dB
5.15 dB

Max 
 

88.2 dB SPL
84.1 dB SPL

Dynamic Range Compression 
 

3.67 dB
2.25 dB
Show Text 

Distortion 
 

6.1
6.6

Total Harmonic Distortion 
 

See details on graph tool
See details on graph tool

Weighted THD @ 80 
 

0.062
0.476

Weighted THD @ Max 
 

0.282
0.886

IMD @ 80 
 

14.89%
5.51%

IMD @ Max 
 

50.79%
6.34%
Show Text 
Smart Features

Interface 
 

8.0
8.0

Smart TV Picture  

TCL 5 Series/S546 2021 QLED Smart TV Picture
TCL 5 Series/S555 2022 QLED Smart TV Picture

Smart OS  

Google TV
Roku TV

Version  

11
11.5.0

Ease of Use 
 

Average
Easy

Smoothness 
 

Average
Very Smooth

Time Taken to Select YouTube 
 

2 s
4 s

Time Taken to Change Backlight 
 

2 s
4 s

Advanced Options 
 

Many
Many
Show Text 

Ad-Free 
 

0.0
0.0

Ads Picture  

TCL 5 Series/S546 2021 QLED Ads Picture
TCL 5 Series/S555 2022 QLED Ads Picture

Ads 
 

Yes
Yes

Opt-out 
 

No
No

Suggested Content in Home 
 

Yes
Yes

Opt-out of Suggested Content 
 

No
No
Show Text 

Apps and Features 
 

9.0
8.0

Apps Picture  

TCL 5 Series/S546 2021 QLED Apps Picture
TCL 5 Series/S555 2022 QLED Apps Picture

App Selection 
 

Great
Great

App Smoothness 
 

Very Smooth
Average

Cast Capable 
 

Yes
Yes

USB Drive Playback 
 

Yes
Yes

USB Drive HDR Playback 
 

Yes
Yes

HDR in Netflix 
 

Yes
Yes

HDR in YouTube 
 

Yes
Yes
Show Text 

Remote 
 

7.0
7.0

Remote Picture  

TCL 5 Series/S546 2021 QLED Remote Picture
TCL 5 Series/S555 2022 QLED Remote Picture

Size 
 

Small
Small

Voice Control 
 

Many Features
Search, Some Other Features

CEC Menu Control 
 

Yes
Yes

Other Smart Features 
 

No
No

Remote App  

Android TV
Roku
Show Text 

TV Controls  

Controls Picture  

TCL 5 Series/S546 2021 QLED Controls Picture
TCL 5 Series/S555 2022 QLED Controls Picture
Show Text 

In The Box  

In The Box Picture  

TCL 5 Series/S546 2021 QLED In The Box Picture
TCL 5 Series/S555 2022 QLED In The Box Picture
Show Text 

Misc  

Power Consumption  

73 W
59 W

Power Consumption (Max)  

242 W
201 W

Firmware  

V8-R51MT05-LF1V173.020128
11.5.0 build 4235-DK

TCL 5 Series/S546 2021 QLED

TCL 5 Series/S555 2022 QLED

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TCL 5 Series/S546 2021 QLED vs TCL 5 Series/S555 2022 QLED: Main Discussion

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